, '''regions''' are areas that are broadly divided by physical characteristics (physical geography
), human impact characteristics (human geography
), and the interaction of humanity and the environment (environmental geography
). Geographic regions and sub-regions are mostly described by their imprecisely defined, and sometimes transitory boundaries, except in human geography, where Jurisdiction (area)|jurisdiction
areas such as national borders are defined in law.
Apart from the Earth|global continent
al regions, there are also hydrosphere|hydrospheric
regions that cover the ocean
s, and discrete climate
s above the land and water masses of the planet. The land and water global regions are divided into subregions geographically bounded by large geological features that influence large-scale ecologies, such as plain
s and features.
As a way of describing spatial...